OS X 10.3 does not have OCRNL #define'd, so we need to protect its

usage 

This commit was SVN r8371.

orte/mca/iof/base/iof_base_setup.c

@@ -134,7 +134,13 @@ orte_iof_base_setup_child(orte_iof_base_io_conf_t *opts)
                 return ORTE_ERROR;
             }
             term_attrs.c_iflag &= ~ (ICRNL | INLCR | ISTRIP | INPCK | IXON);
-            term_attrs.c_oflag &= ~ (OCRNL | ONLCR);
+            term_attrs.c_oflag &= ~ (
+#ifdef OCRNL
+                                     /* OS X 10.3 does not have this
+                                        value defined */
+                                     OCRNL | 
+#endif
+                                     ONLCR);
             if (tcsetattr(opts->p_stdin[0], TCSANOW, &term_attrs) == -1) {
                 return ORTE_ERROR;
             }